Effect of position, time and position-time interaction on apnoea variables
| Position | Time | Position-time interaction | Time 1 | Time 2 | |
| Apnoea duration | |||||
| F-test | 41.23 | 15.71 | 1.19 | 12.82 | 5.33 |
| p-value | 0.0001 | 0.0001 | 0.326 | 0.0012 | 0.028 |
| Minimum saturation | |||||
| F-test | 42.86 | 0.875 | 0.406 | 1.55 | 0.43 |
| p-value | 0.0001 | 0.43 | 0.67 | 0.22 | 0.52 |
| Change in saturation | |||||
| F-test | 46.92 | 1.90 | 1.16 | 2.08 | 2.2 |
| P-value | 0.0001 | 0.168 | 0.33 | 0.16 | 0.15 |
| Change in cardiac frequency | |||||
| F-test | 58.90 | 3.95 | 0.133 | 4.25 | 0.72 |
| p-value | 0.0001 | 0.03 | 0.88 | 0.048 | 0.40 |
| Maximum snoring loudness | |||||
| F-test | 4.44 | 2.53 | 0.49 | 4.96 | 0.00 |
| p-value | 0.04 | 0.098 | 0.62 | 0.03 | 0.97 |
| Duration of arousal | |||||
| F-test | 148.5 | 3.27 | 1.63 | 5.76 | 0.11 |
| p-value | 0.0001 | 0.053 | 0.21 | 0.023 | 0.74 |
Time 1: difference between the second and the first third of the night
Time 2: difference between the third and the second third of the night